2101914379 has 2 divisors, whose sum is σ = 2101914380. Its totient is φ = 2101914378.

The previous prime is 2101914377. The next prime is 2101914383. The reversal of 2101914379 is 9734191012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101914379 - 2¹ = 2101914377 is a prime.

Together with 2101914377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2101914371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050957189 + 1050957190.

It is an arithmetic number, because the mean of its divisors is an integer number (1050957190).

Almost surely, 2^2101914379 is an apocalyptic number.

2101914379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101914379 is an equidigital number, since it uses as much as digits as its factorization.

2101914379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 2101914379 is about 45846.6397787232. The cubic root of 2101914379 is about 1280.9681759871.

The spelling of 2101914379 in words is "two billion, one hundred one million, nine hundred fourteen thousand, three hundred seventy-nine".